Assignee
SIRIFIC WIRELESS CORP
CA18 patents
Top patents by PatentIndex Score
US6639447B2Oct 28, 2003
High linearity Gilbert I Q dual mixer
SIRIFIC WIRELESS CORP77 citations94
US7263344B2Aug 28, 2007
Method for reducing IM2 noise in a down conversion circuit
SIRIFIC WIRELESS CORP30 citations93
US6973297B1Dec 6, 2005
Method and apparatus for down-conversion of radio frequency (RF) signals with reduced local oscillator leakage
SIRIFIC WIRELESS CORP18 citations92
US6590438B1Jul 8, 2003
Integrated circuit adjustable RF mixer
SIRIFIC WIRELESS CORP40 citations92
US7345550B2Mar 18, 2008
Type II phase locked loop using dual path and dual varactors to reduce loop filter components
SIRIFIC WIRELESS CORP23 citations89
US7265629B2Sep 4, 2007
Circuit and method for automatic gain control
SIRIFIC WIRELESS CORP13 citations84
US7242334B2Jul 10, 2007
Wireless receiver circuit with merged ADC and filter
SIRIFIC WIRELESS CORP11 citations83
US7164897B2Jan 16, 2007
Method and apparatus for conversion of radio frequency (RF) signals using aperiodic mixing signals
SIRIFIC WIRELESS CORP16 citations83
US7245187B2Jul 17, 2007
Multi-standard amplifier
SIRIFIC WIRELESS CORP10 citations77
US7046980B1May 16, 2006
Method and apparatus for up-and down-conversion of radio frequency (RF) signals
SIRIFIC WIRELESS CORP7 citations72
US7016662B1Mar 21, 2006
Method and apparatus for up-conversion of radio frequency (RF) signals
SIRIFIC WIRELESS CORP9 citations71
US6727764B2Apr 27, 2004
Generation of virtual local oscillator inputs for use in direct conversion radio systems
SIRIFIC WIRELESS CORP12 citations69
US7277683B2Oct 2, 2007
Regenerative divider for up and down conversion of radio frequency (RF) signals
SIRIFIC WIRELESS CORP8 citations68
US6867665B2Mar 15, 2005
Filters implemented in integrated circuits
SIRIFIC WIRELESS CORP8 citations66
US7215931B2May 8, 2007
Method and apparatus for up-and-down-conversion of radio frequency (RF) signals
SIRIFIC WIRELESS CORP5 citations61
US7167063B2Jan 23, 2007
Method and apparatus for reduced noise band switching circuits
SIRIFIC WIRELESS CORP2 citations60
US6750681B2Jun 15, 2004
High speed current mode logic gate circuit architecture
SIRIFIC WIRELESS CORP4 citations60
US7343135B2Mar 11, 2008
Method and apparatus for down conversion of radio frequency (RF) signals
SIRIFIC WIRELESS CORP1 citations52